Finding the Fourth Proportional to 1,640.10, 2,460.09 and 1,016.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640.10 : 2,460.09 = 1,016.82 : x
2. Step 2: Convert to fraction form
   1,640.10/2,460.09 = 1,016.82/x
3. Step 3: Cross multiply
   1,640.10x = 2,460.09 × 1,016.82
4. Step 4: Simplify right side
   1,640.10x = 2,501,468.71
5. Step 5: Solve for x
   x = 2,501,468.71/1,640.10
6. Step 6: Final answer
   x = 1,525.19